<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index" label="#">
                </el-table-column>
                <el-table-column label="商品名称" prop="goods_name">
                </el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="105px">
                </el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="80px">
                </el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="100px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">

                        <!-- 编辑接口有问题，已删@click="showEditDialog(scope.row.goods_id)" -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>

        <!-- 编辑接口有问题 -->

        <!-- <el-dialog title="修改分类" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="商品名称">
                    <el-input v-model="editForm.goods_name"></el-input>
                </el-form-item>
                <el-form-item label="商品价格">
                    <el-input v-model="editForm.goods_price"></el-input>
                </el-form-item>
                <el-form-item label="商品重量">
                    <el-input v-model="editForm.goods_weight"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editListInfo">确 定</el-button>
            </span>
        </el-dialog> -->

    </div>
</template>

<script>
export default {
    data () {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodslist: [],
            // 总数据条数
            total: 0,

            // 编辑接口有问题

            // 控制修改分类对话框的显示与隐藏
            // editDialogVisible: false,
            // // 查询到的分类信息对象
            // editForm: {},
            // // 修改表达的验证规则对象
            // editFormRules: {
            //     goods_name: [
            //         { required: true, message: '请输入商品名称', trigger: 'blur' }
            //     ],
            //     goods_price: [
            //         { required: true, message: '请输入商品价格', trigger: 'blur' }
            //     ],
            //     goods_weight: [
            //         { required: true, message: '请输入商品重量', trigger: 'blur' }
            //     ]
            // },
        }
    },
    created () {
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        // get都要借用params属性
        async getGoodsList () {
            const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
            if (res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败!')
            }
            //  this.$$message.success('获取商品列表成功!')
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange (newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange (newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById (id) {
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }

            const { data: res } = await this.$http.delete(`goods/${id}`)
            if (res.meta.status !== 200) {
                return this.$message.error('删除失败!')
            }

            this.$message.success('删除成功')
            this.getGoodsList()
        },
        goAddpage () {
            this.$router.push('/goods/add')
        },

        // 编辑接口有问题

        // // 展示编辑商品的对话框
        // async showEditDialog (id) {
        //     const { data: res } = await this.$http.get('goods/' + id)
        //     if (res.meta.status != 200) {
        //         return this.$message.error("查询商品信息失败!")
        //     }
        //     this.editForm = res.data
        //     this.editDialogVisible = true
        // },
        // // 监听修改商品对话框的关闭事件
        // editDialogClosed () {
        //     this.$refs.editFormRef.resetFields()
        // },
        // // 修改商品信息并提交
        // editListInfo () {
        //     this.$refs.editFormRef.validate(async valid => {
        //         if (!valid) return
        //         // 发起修改商品信息的数据请求
        //         const { data: res } = await this.$http.put(`goods/${this.goods_id}`, {
        //             goods_name: this.editForm.goods_name,
        //             goods_price: this.editForm.goods_price,
        //             goods_weight: this.editForm.goods_weight
        //         })
        //         if (res.meta.status !== 201) {
        //             return this.$message.error('更新商品信息失败！')  // 关闭对话框
        //         }
        //         this.editDialogVisible = false
        //         // 刷新数据列表
        //         this.getGoodsList()
        //         // 提示修改成功
        //         this.$message.success('更新商品信息成功!')
        //     })
        // },
    }
}
</script>

<style lang="scss" scoped>
</style>